1. The problem statement, all variables and given/known data Apply the loop rule to two of the three loops to calculate I1,I2,and I3. Picture of DC circuit involved 2. Relevant equations V=IR 3. The attempt at a solution L1=2v+2I2-4I1=0 (simplified) and L3=4-4I1-5I3=0 But if you work through the algebra you'd get I2=1 which would then make I1=1 which does not work for the junction rule of I3=I1-I2 cause that is 0. The rules still confuse me when look at some of the resistors on the right side I can tell which way current flows, obviously did it wrong though, any help would be appreciated.